Mailing List flyrotary@lancaironline.net Message #28489
From: Ernest Christley <echristley@nc.rr.com>
Subject: Re: [FlyRotary] Re: MSD ignition
Date: Thu, 15 Dec 2005 12:21:23 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Dale Rogers wrote:

So 8000 crank RPM / 2.85 = 2807 Prop RPM, which should be within the capabilities of even an aircraft mag.  ???

To do that you'd need add a .95 gear ratio to get it to spin the 2666.6666666667 RPM that the rotors are at.

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